perf top: Use sort__has_sym

perf top had a similar variable sort_has_symbols for the same purpose.

Signed-off-by: Namhyung Kim <[e-mail]>
Cc: Andi Kleen <[e-mail]>
Cc: David Ahern <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Paul Mackerras <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Stephane Eranian <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/builtin-top.c

···
 				return;
 		}
 
-		if (top->sort_has_symbols)
+		if (sort__has_sym)
 			perf_top__record_precise_ip(top, he, evsel->idx, ip);
 	}
 
···
 	return -1;
 }
 
-static int perf_top__setup_sample_type(struct perf_top *top)
+static int perf_top__setup_sample_type(struct perf_top *top __maybe_unused)
 {
-	if (!top->sort_has_symbols) {
+	if (!sort__has_sym) {
 		if (symbol_conf.use_callchain) {
 			ui__error("Selected -g but \"sym\" not present in --sort/-s.");
 			return -EINVAL;
···
 		return -1;
 
 	sort__setup_elide(stdout);
-
-	/*
-	 * Avoid annotation data structures overhead when symbols aren't on the
-	 * sort list.
-	 */
-	top.sort_has_symbols = sort_sym.list.next != NULL;
 
 	get_term_dimensions(&top.winsize);
 	if (top.print_entries == 0) {

tools/perf/util/top.h

···
 	int		   print_entries, count_filter, delay_secs;
 	bool		   hide_kernel_symbols, hide_user_symbols, zero;
 	bool		   use_tui, use_stdio;
-	bool		   sort_has_symbols;
 	bool		   kptr_restrict_warned;
 	bool		   vmlinux_warned;
 	bool		   dump_symtab;